<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>水仙花数</title>
	</head>
	<body>
		<script>
				document.write("100---999之间的水仙花数为：");
			document.write("<br>");
			for (i = 100; i < 1000; i++) {
				var num1 = Math.floor(i / 100);
				var num2 = Math.floor((i - num1 * 100) / 10);
				var num3 = Math.floor(i - (num1 * 100) - (num2 * 10));
				var num = (Math.pow(num1, 3) + Math.pow(num2, 3) + Math.pow(num3, 3));
				if (i == num) {
					document.write(i + "=" + num1 + "3" + "+" + num2 +  + "3" + "+" +num3 + "3" + "<br>");
				}
			}

		</script>
	</body>
</html>
